Records of the Geological Survey of India, Volume 124, Parts 7-8Government of India, 1991 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 59
... mica schist and metachert . Metachert bands exhibit F , folds of tight isoclinal nature with NNE trending axial planes and steep easterly dips . A major ' Z ' type F , fold with 10 ° -15 ° plunge towards north , resulted the existing ...
... mica schist and metachert . Metachert bands exhibit F , folds of tight isoclinal nature with NNE trending axial planes and steep easterly dips . A major ' Z ' type F , fold with 10 ° -15 ° plunge towards north , resulted the existing ...
Page 71
... mica schist . About 3 km north of Saran , the amphibolite shows well- preserved pillow packs . The overall geological set- up of amphibolite and quartz - mica schist sequence is comparable to that of the bimodal volcanics of Biranthiya ...
... mica schist . About 3 km north of Saran , the amphibolite shows well- preserved pillow packs . The overall geological set- up of amphibolite and quartz - mica schist sequence is comparable to that of the bimodal volcanics of Biranthiya ...
Page 86
... mica ( Lepidolite ? ) . The pegmatites seen NE of Umedpur contain colourless to yellowish brown mica . Dolerite and basaltic dykes are found travers- ing both granites and migmatites . Quartz veins ranging in width from 5 cm to 3 m ...
... mica ( Lepidolite ? ) . The pegmatites seen NE of Umedpur contain colourless to yellowish brown mica . Dolerite and basaltic dykes are found travers- ing both granites and migmatites . Quartz veins ranging in width from 5 cm to 3 m ...
Contents
GEOLOGICAL MAPPING Page 1 Highgrade and mediumgrade sequences of the Mangalwar and Sandmata Complexes | 1 |
Studies on the Mangalwar and the Hindoli rock sequences | 3 |
Mangalwar Project | 4 |
Copyright | |
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Common terms and phrases
aeolian alluvial plain Alluvium amphibolite anomaly axis bands basalt basin belt biotite block boreholes calcareous channel Chittaurgarh district clay comprises Delhi deposits depth dips district Doda district dolomite dunes dykes excavation exposed fault field season flood plain fluvial folds foliation Formation foundation Ganga geochemical geological mapping Geology Division geomorphological geophysical geotechnical gneiss gold grade grained granite grey Group Gujarat Himachal Pradesh Himalaya indicate intersected Jammu joints km² Krol limestone Lithology Lithostratigraphy located Mangalwar metamorphism metres mica schist mineral mineralised zone palaeochannels pegmatite phyllite Project pyrite quartz quartz veins quartzite Quaternary Rajasthan regional river rocks samples sand sandstone scale schist sediments sequence shale shear zone silt siltstone Siwalik slate slope soil Sonbhadra district spillway structures studies sulphide Supergroup surface surveys SYNCLINE tectonic Terrace thermal thick tion toposheet trending tunnel Udaipur district upper Uttar Pradesh valley Varanasi Varanasi Older Alluvium Vindhyan volcanics